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What is a Programmable Room Thermostat? A programmable room thermostat is both a programmer and a room thermostat. The programmer allows you to set “On” and “O” periods to suit your own lifestyle. The room thermostat works by sensing the air temperature, switching on the heating when the air temperature falls below the thermostat setting, and switching it o...
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Installation Procedure Mount the thermostat at eye level. Read the instructions fully so you get the best from our product. Don’t Do not install near to a direct heat source as this will aect functionality. Do not push hard on the LCD screen as this may cause irreparable damage. This Touchscreen Series thermostat is designed to be ush mounted and requires a back box of 35mm (minimum depth) to be sunk into the wall prior to installation.
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Setting the Clock Temperature Display To set the clock, follow these steps. • Press PROG ........................ Press CLOCK ......................• • Use the Down key to set the hours ..............• Use the Up key to set the minutes ..............Use the Day key to set the day of the week ..........
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• Press PROG ........... Comfort Levels Explained Comfort levels allow you to set dierent temperatures throughout the day. For example, you may want the home warm in the morning when you are getting ready for work, cooler during the day when the house is unoccupied and then warmer in the evening when you are home relaxing.
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Clean Screen Temperature Contro Pressing will disable all keys, providing you 15 seconds to wipe the screen clean before the keys are re-activated. Locking the Keypad The thermostat has a keypad lock facility. To activate the lock press the bottom right corner of the display and hold for 10 secs. •...
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Temperature Hold Holiday The temperature Hold function allows you to manually override the current operating program and set a dierent temperature for a desired period. • Press HOLD ......................... Use the top set of Up/Down keys to set the hold period ........•...
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Frost Mode Heating On/O Pressing the key once will place the thermostat in frost protect mode. In this mode, the thermostat will display the frost icon and will only turn the heating on should the room temperature drop below the set frost temperature (see page 19). Should the heating be turned on whilst in frost mode, the ame symbol will be displayed.
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Optional Features Explained THE FOLLOWING SETTINGS ARE OPTIONAL AND IN MOST CASES NEED NOT BE ADJUSTED Feature 01 – Temperature Format: This function allows you to select between °C or °F. Feature 02 - Switching Dierential: This function allows you to increase the switching dierential of the thermostat.
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Adjusting the Optional Settings Optional Settings - To adjust the optional settings, follow these steps. Press PROG ........................... • • Press SETUP .......................... Feature Number Setting Value Use the Up/Down keys at the top of the screen to select the feature •...
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Factory Reset Re-calibrating the Thermostat If you need to re-calibrate the thermostat, follow these steps. • Press and hold the OFF key to turn the thermostat OFF ..........Press and hold the ON key until the temperature appears on the screen ..... •...
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Wiring Diagram - PRT-TS to Valve Wiring Diagram - PRT P/L = Permanent Live To Boiler S/L S/L = Switched Live Supply In - 85V-230V AC Max Load - 3 Amps Heating Valve Neutral Live For Voltfree connections, wire the P/L and S/L directly to the...
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Wiring Diagram Wiring Diagram - PRT-NTS to UH1 ZONE X ZONE X Connecting PRT-NTS to the UH1 The UH1 allows connection of up to eight 12 volt network thermostats. When connecting network thermostats to the UH1 use CAT5-FTP or BELDEN 9538. Connect the screen to Earth at the UH1.
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